Elkport, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.1 °F (low) to 57.6 °F (high). Annual precipitation averages 37.7 Inches. Elkport is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.6 °F | 26.9 °F | 1.21 in. |
| February | 13.5 °F | 31.5 °F | 1.25 in. |
| March | 25.1 °F | 44.4 °F | 2.04 in. |
| April | 36.2 °F | 58.6 °F | 3.8 in. |
| May | 47.9 °F | 70.4 °F | 4.67 in. |
| June | 57.8 °F | 79.7 °F | 5.68 in. |
| July | 61.8 °F | 83.2 °F | 4.72 in. |
| August | 59.5 °F | 81.4 °F | 3.93 in. |
| September | 50.8 °F | 74.7 °F | 3.73 in. |
| October | 38.9 °F | 61.7 °F | 2.88 in. |
| November | 27.1 °F | 45.4 °F | 2.16 in. |
| December | 16.6 °F | 32.7 °F | 1.63 in. |
| Annual | 37.1 °F | 57.6 °F | 37.7 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |